Set an alarm for 20 Seconds

⏱ A countdown timer for 20 Seconds (20 seconds). Press Start and an alarm sounds when time is up.
20 Seconds Timer
0Minutes
:
20Seconds
Friday, September 25, 2026

Set a timer for another length

20 Seconds in other units

Seconds20
Milliseconds20,000
Minutes0.333
Hours0.006
Share of an hour0.56%
Share of a day0.023%
Fits into one day4,320 times

When does a 20 Seconds timer end?

StartEnds
6:00 AM6:00 AM:20
8:00 AM8:00 AM:20
9:00 AM9:00 AM:20
12:00 PM12:00 PM:20
3:00 PM3:00 PM:20
6:00 PM6:00 PM:20
9:00 PM9:00 PM:20

Press Start above and the finish time for right now is shown under the timer.

What can you do in 20 seconds?

Wash your hands — the CDC recommends scrubbing for at least 20 seconds.

Hold a plank or a stretch.

Take three slow, deep breaths.

Questions about the 20 seconds timer

How do I set a timer for 20 seconds?

Press Start on this page. The timer counts down 20 seconds and plays an alarm sound when it reaches zero. You can pause or reset it at any time.

How many seconds is 20 seconds?

20 Seconds is 20 seconds.